/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

package org.apache.bifromq.basecrdt.store;

import org.apache.bifromq.baseenv.EnvProvider;
import java.time.Duration;
import java.util.UUID;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.experimental.Accessors;

@Builder(toBuilder = true)
@Accessors(chain = true, fluent = true)
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor(access = AccessLevel.PRIVATE)
public class CRDTStoreOptions {
    @Builder.Default
    private String id = UUID.randomUUID().toString();
    @Builder.Default
    private int maxEventsInDelta = 1024;
    @Builder.Default
    private CompressAlgorithm compressAlgorithm = CompressAlgorithm.GZIP;
    @Builder.Default
    private Duration orHistoryExpireTime = Duration.ofSeconds(20);
    @Builder.Default
    private Duration inflationInterval = Duration.ofMillis(200);
    @Builder.Default
    private Duration maxCompactionTime = Duration.ofMillis(200);

    @Builder.Default
    private ScheduledExecutorService storeExecutor =
        new ScheduledThreadPoolExecutor(Math.max(2, EnvProvider.INSTANCE.availableProcessors() / 20),
            EnvProvider.INSTANCE.newThreadFactory("crdt-executor", true));
}
